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Solid carbide drill plain shank DIN 6535 HA 180° 5,2 mm

Article no.: 122506 5,2
  • Tool material: Solid carbide
  • Version: 3×D
  • Point angle: 180
  • Shank: DIN 6535 HA to h6
  • Use for drilling: limited convexity; limited cross-drilling; limited oblique spot drilling

Product details

Technical Data

Nominal ⌀ DC 5.2 mm
Coating TiAlN
Tool material Solid carbide
Standard Manufacturer’s standard
Version 3×D
Tolerance nominal ⌀ m7
Number of cutting edges Z 2
Point angle 180 degrees
recommended maximum drilling depth L2 20.2 mm
Shank DIN 6535 HA to h6
Use for drilling limited convexity; limited cross-drilling; limited oblique spot drilling
Through-coolant yes, with 25 bar
Pilot drill required yes, pilot drill
Semi-Standard yes
Flute length Lc 28 mm
Overall length L 66 mm
Shank ⌀ Ds 6 mm
Shank tolerance h6
Feed f in steel < 900 N/mm2 0.12 mm/rev.
Colour ring green
Type of product Jobber drill

Identification numbers & Classifications

Article number 122506 5,2
EAN / GTIN 4045197743978

Application Table

Steel < 500 N/mm²
P
85
Steel < 750 N/mm²
P
75
Steel < 900 N/mm²
P
60
Steel < 1100 N/mm²
P
50
INOX < 900 N/mm²
M
45
GG(G)
K
90
Uni
 
wet maximum
 
wet minimum
 
Air
 

Description

Version:

Special point geometry for generating 180° flat-bottomed holes. Low radial forces even when spot drilling on faces with up to 45° slope. Flute geometry for optimum chip evacuation. With 4 guide chamfers to stabilise the drill in the hole.

Advantage:

The 180° point angle permits drilling and counterboring in a single operation.

Recommendation:

When using the solid carbide 180° drill it is absolutely essential for process reliability:
  • when spot drilling on flat surfaces to drill a pilot hole 1×D using pilot drill No. 122736.
  • when spot drilling on sloping surfaces up to 15° : reduce the feed rate f to 50 %, up to 30°: reduce the feed rate f to 40 % and up to 45°: reduce the feed rate f to 25 % of the stated value. After spot drilling, the normal feed rate value can be used.

Note:

Flute length LC = L2 + 1.5 × DC.
Form HB and HE supplied at the same price as HA.
Form HB: order with No. 122506 + 129100HB .
Form HE: order with No. 122506 + 129100HE.
180° solid carbide drills for machining aluminium available on request.
Not suitable for generating counterbores for socket-head screws to DIN974-1.

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